Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/17342#discussion_r108775285
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/internal/SharedState.scala ---
@@ -148,6 +149,8 @@ private[sql] class SharedState(val sparkContext:
SparkContext) extends Logging {
object SharedState {
+ URL.setURLStreamHandlerFactory(new SparkUrlStreamHandlerFactory())
--- End diff --
> Say one day we need to support a third-party file system named "shaofs"
So why not add the abstraction on that day? If `FsUrlStreamHandlerFactory`
does what is needed here, and correctly support more than just the `hdfs`
protocol (which isn't even enough to cover HDFS itself, which can be
federated), then I don't see what the abstraction is buying us today.
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